diff options
Diffstat (limited to 'drivers/thermal/intel')
6 files changed, 64 insertions, 16 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c index 19926beeb3b7..8502b7d8df89 100644 --- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c @@ -129,11 +129,10 @@ static ssize_t available_uuids_show(struct device *dev, for (i = 0; i < INT3400_THERMAL_MAXIMUM_UUID; i++) { if (priv->uuid_bitmap & (1 << i)) - if (PAGE_SIZE - length > 0) - length += scnprintf(&buf[length], - PAGE_SIZE - length, - "%s\n", - int3400_thermal_uuids[i]); + length += scnprintf(&buf[length], + PAGE_SIZE - length, + "%s\n", + int3400_thermal_uuids[i]); } return length; diff --git a/drivers/thermal/intel/int340x_thermal/int3401_thermal.c b/drivers/thermal/intel/int340x_thermal/int3401_thermal.c index acebc8ba94e2..217786fba185 100644 --- a/drivers/thermal/intel/int340x_thermal/int3401_thermal.c +++ b/drivers/thermal/intel/int340x_thermal/int3401_thermal.c @@ -44,15 +44,21 @@ static int int3401_remove(struct platform_device *pdev) } #ifdef CONFIG_PM_SLEEP +static int int3401_thermal_suspend(struct device *dev) +{ + return proc_thermal_suspend(dev); +} static int int3401_thermal_resume(struct device *dev) { return proc_thermal_resume(dev); } #else +#define int3401_thermal_suspend NULL #define int3401_thermal_resume NULL #endif -static SIMPLE_DEV_PM_OPS(int3401_proc_thermal_pm, NULL, int3401_thermal_resume); +static SIMPLE_DEV_PM_OPS(int3401_proc_thermal_pm, int3401_thermal_suspend, + int3401_thermal_resume); static struct platform_driver int3401_driver = { .probe = int3401_add, diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c index fb64acfd5e07..a8d98f1bd6c6 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c @@ -68,8 +68,7 @@ static const struct attribute_group power_limit_attribute_group = { .name = "power_limits" }; -static ssize_t tcc_offset_degree_celsius_show(struct device *dev, - struct device_attribute *attr, char *buf) +static int tcc_get_offset(void) { u64 val; int err; @@ -78,8 +77,20 @@ static ssize_t tcc_offset_degree_celsius_show(struct device *dev, if (err) return err; - val = (val >> 24) & 0x3f; - return sprintf(buf, "%d\n", (int)val); + return (val >> 24) & 0x3f; +} + +static ssize_t tcc_offset_degree_celsius_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int tcc; + + tcc = tcc_get_offset(); + if (tcc < 0) + return tcc; + + return sprintf(buf, "%d\n", tcc); } static int tcc_offset_update(unsigned int tcc) @@ -107,8 +118,6 @@ static int tcc_offset_update(unsigned int tcc) return 0; } -static int tcc_offset_save = -1; - static ssize_t tcc_offset_degree_celsius_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -131,8 +140,6 @@ static ssize_t tcc_offset_degree_celsius_store(struct device *dev, if (err) return err; - tcc_offset_save = tcc; - return count; } @@ -345,6 +352,18 @@ void proc_thermal_remove(struct proc_thermal_device *proc_priv) } EXPORT_SYMBOL_GPL(proc_thermal_remove); +static int tcc_offset_save = -1; + +int proc_thermal_suspend(struct device *dev) +{ + tcc_offset_save = tcc_get_offset(); + if (tcc_offset_save < 0) + dev_warn(dev, "failed to save offset (%d)\n", tcc_offset_save); + + return 0; +} +EXPORT_SYMBOL_GPL(proc_thermal_suspend); + int proc_thermal_resume(struct device *dev) { struct proc_thermal_device *proc_dev; @@ -352,6 +371,7 @@ int proc_thermal_resume(struct device *dev) proc_dev = dev_get_drvdata(dev); proc_thermal_read_ppcc(proc_dev); + /* Do not update if saving failed */ if (tcc_offset_save >= 0) tcc_offset_update(tcc_offset_save); diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h index 5a1cfe4864f1..c1d8de6dc3d1 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h @@ -83,6 +83,7 @@ void proc_thermal_mbox_remove(struct pci_dev *pdev); int processor_thermal_send_mbox_cmd(struct pci_dev *pdev, u16 cmd_id, u32 cmd_data, u32 *cmd_resp); int proc_thermal_add(struct device *dev, struct proc_thermal_device *priv); void proc_thermal_remove(struct proc_thermal_device *proc_priv); +int proc_thermal_suspend(struct device *dev); int proc_thermal_resume(struct device *dev); int proc_thermal_mmio_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv, diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c index 11dd2e825f4f..b4bcd3fe9eb2 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c @@ -314,6 +314,20 @@ static void proc_thermal_pci_remove(struct pci_dev *pdev) } #ifdef CONFIG_PM_SLEEP +static int proc_thermal_pci_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct proc_thermal_device *proc_priv; + struct proc_thermal_pci *pci_info; + + proc_priv = pci_get_drvdata(pdev); + pci_info = proc_priv->priv_data; + + if (!pci_info->no_legacy) + return proc_thermal_suspend(dev); + + return 0; +} static int proc_thermal_pci_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -335,10 +349,12 @@ static int proc_thermal_pci_resume(struct device *dev) return 0; } #else +#define proc_thermal_pci_suspend NULL #define proc_thermal_pci_resume NULL #endif -static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, NULL, proc_thermal_pci_resume); +static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, proc_thermal_pci_suspend, + proc_thermal_pci_resume); static const struct pci_device_id proc_thermal_pci_ids[] = { { PCI_DEVICE_DATA(INTEL, ADL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX) }, diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c index f5fc1791b11e..4571a1a53b84 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c @@ -107,15 +107,21 @@ static void proc_thermal_pci_remove(struct pci_dev *pdev) } #ifdef CONFIG_PM_SLEEP +static int proc_thermal_pci_suspend(struct device *dev) +{ + return proc_thermal_suspend(dev); +} static int proc_thermal_pci_resume(struct device *dev) { return proc_thermal_resume(dev); } #else +#define proc_thermal_pci_suspend NULL #define proc_thermal_pci_resume NULL #endif -static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, NULL, proc_thermal_pci_resume); +static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, proc_thermal_pci_suspend, + proc_thermal_pci_resume); static const struct pci_device_id proc_thermal_pci_ids[] = { { PCI_DEVICE_DATA(INTEL, BDW_THERMAL, 0) }, |